Home / 8,211,361.81-11,331,221.36-4,540,057.87

Finding the Fourth Proportional to 8,211,361.81, 11,331,221.36 and 4,540,057.87

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Solution

The fourth proportional to 8,211,361.81, 11,331,221.36 and 4,540,057.87 is: 6,265,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,361.81 : 11,331,221.36 = 4,540,057.87 : x
  2. Step 2: Convert to fraction form
    8,211,361.81/11,331,221.36 = 4,540,057.87/x
  3. Step 3: Cross multiply
    8,211,361.81x = 11,331,221.36 × 4,540,057.87
  4. Step 4: Simplify right side
    8,211,361.81x = 51,444,400,712,180.10
  5. Step 5: Solve for x
    x = 51,444,400,712,180.10/8,211,361.81
  6. Step 6: Final answer
    x = 6,265,026.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.